/**
 * Copyright 2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.I0Itec.zkclient.serialize;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import org.I0Itec.zkclient.exception.ZkMarshallingError;

public class SerializableSerializer implements ZkSerializer {

    @Override
    public Object deserialize(byte[] bytes) throws ZkMarshallingError {
    	if(bytes == null || bytes.length == 0) return null;
		ObjectInputStream ois = null;
		try {
			ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
			ois = new ObjectInputStream(bais);
			return ois.readObject();
		} catch(Exception e) {
			throw new ZkMarshallingError(e);
		} finally {
			if(ois != null)
			try {
				ois.close();
			} catch (IOException e) {}
		}
    }

    @Override
    public byte[] serialize(Object obj) throws ZkMarshallingError {
    	ObjectOutputStream oos = null;
		try {
			ByteArrayOutputStream baos = new ByteArrayOutputStream();
			oos = new ObjectOutputStream(baos);
			oos.writeObject(obj);
			return baos.toByteArray();
		} catch(Exception e) {
			throw new ZkMarshallingError(e);
		} finally {
			if(oos != null)
			try {
				oos.close();
			} catch (IOException e) {}
		}
    }

}
